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Finding the Fourth Proportional to 222,497.36, 307,075.56 and 126,982.16

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Solution

The fourth proportional to 222,497.36, 307,075.56 and 126,982.16 is: 175,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,497.36 : 307,075.56 = 126,982.16 : x
  2. Step 2: Convert to fraction form
    222,497.36/307,075.56 = 126,982.16/x
  3. Step 3: Cross multiply
    222,497.36x = 307,075.56 × 126,982.16
  4. Step 4: Simplify right side
    222,497.36x = 38,993,117,892.01
  5. Step 5: Solve for x
    x = 38,993,117,892.01/222,497.36
  6. Step 6: Final answer
    x = 175,252.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.